Eric Barnes

CT
ARRS: CT useful when abdominal US is inconclusive
About a third of CT exams performed after inconclusive abdominal ultrasound are positive, making CT a good choice for follow-up in many patients, researchers said on Monday at the American Roentgen Ray Society (ARRS) meeting in Vancouver.
April 29, 2012
CT
320-row CT cuts pediatric radiation dose versus 64-slice imaging
Pediatric radiation dose was cut by as much as half for some clinical applications by swapping 64-detector-row CT for 320-detector-row scanning, according to researchers from Cincinnati Children's Hospital Medical Center. The study indicates that advances in CT technology can be successfully used to cut pediatric radiation dose.
April 29, 2012
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CT
NEJM: Low-dose CT good enough to diagnose appendicitis
Low-dose CT is nearly equivalent to the standard-dose scan for diagnosing appendicitis, and it's accurate enough to serve as a first-line diagnostic modality while delivering less than one-fourth the radiation dose of full-strength CT, researchers report in a study published in the April 26 New England Journal of Medicine.
April 24, 2012
CT
Study shows more kids having CT for abdominal pain
CT use has continued to rise for young patients who visit the emergency department for nontraumatic abdominal pain, according to a new study published online April 24 in Radiology.
April 23, 2012
CT
Cocaine use linked to mixed coronary plaque on CT
Cocaine users are known to have higher-than-normal rates of acute coronary syndrome compared to others at risk of heart disease. Researchers from the Medical University of South Carolina used dual-source CT to learn more about how cocaine use affects the development of coronary atherosclerosis.
April 23, 2012
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CT
American Lung Association supports CT screening for smokers
Based on mounting evidence that lung cancer screening with CT can save lives, the American Lung Association on Monday recommended CT lung cancer screening for smokers and former smokers. The move is a major step toward the development of a population-based CT screening program in the U.S.
April 22, 2012
CT
Pediatric CT dose reduction lags in community hospitals
SAN FRANCISCO - A decade into worldwide dose reduction efforts, most community hospitals and imaging centers still haven't adopted low-dose CT techniques, according to a study presented on Thursday at the 2012 Society for Pediatric Radiology meeting.
April 19, 2012
CT
AuntMinnie.com CT Insider
April 18, 2012
CT
Most CTPA scans are negative even in highest-risk population
The scan radiologists love to hate can be a lifesaver. Yet most CT pulmonary angiography (CTPA) scans for suspected pulmonary embolism (PE) come up negative, even in the population that might be expected to have the greatest risk: patients presenting to the emergency department with symptoms suggestive of PE.
April 17, 2012
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CT
VC CAD shows high accuracy for flat-lesion detection
A computer-aided detection (CAD) technique for virtual colonoscopy detected hard-to-find flat colorectal polyps with equivalent sensitivity it attained for polypoid lesions in the same patients, according to researchers from Boston.
April 17, 2012
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Digital X-Ray
Chest x-rays reveal atherosclerosis in patients undergoing amputations
Lower limb amputation is an increasingly common major complication of advanced peripheral arterial disease and diabetes mellitus.
Cardiac Mri Adobe Samunella
MRI
3D MRI technique helps plan treatment for pediatric heart conditions
Images of a 39-year-old who underwent screening mammography. Right craniocaudal (left) and mediolateral oblique (middle) views from preoperative mammography show suspicious grouped fine pleomorphic calcifications (arrows). After biopsy showed ductal carcinoma of situ (DCIS), patient underwent breast-conserving surgery, yielding final diagnosis of ductal carcinoma in situ (intermediate grade, hormone receptor positive). (Right) Screenshot of an output of a commercial AI tool applied to preoperative mammography. AI detected right breast lesion with score of 95% on both views (concentric colored circles). Present study’s reviewing radiologist deemed AI marking to correspond with site of DCIS.
Womens Imaging
Could AI scoring help with managing DCIS?
Axial contrast-enhanced CT scan in a 28-year-old premenopausal woman shows an incidentally detected solid-appearing left ovarian lesion (solid arrow) anterior to the uterus (U), associated with trace ascites in the right adnexa and cul de sac (dashed arrows). At pathologic analysis, this was shown to be ovarian dysgerminoma. Two readers misdiagnosed this lesion, one as a leiomyoma and one as an ovarian fibroma.
CT
Clinicians, beware: CT diagnostic accuracy varies by adnexal lesion type
Erin Stephens
Practice Management
Radiology coding update for 2026
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In a new column, Roland Rott of GE HealthCare makes the case that 2025 will be a watershed year for AI in radiology.
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PET imaging can assess brain metabolism changes over time in individuals with prodromal dementia with Lewy bodies (DLB) and probable DLB.
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CEM-, radiomics-based models predict breast biopsy outcomes
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Machine-learning models combining features from radiomics and contrast-enhanced mammography (CEM) can predict breast biopsy outcomes in women.
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Genetic testing, risk assessment tied to more breast MRI uptake
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Women with high-risk pathological variants for breast cancer as identified by genetic testing and risk assessment are more likely to undergo breast MRI.
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Deep-learning model based on MRI data predicts prostate cancer risk
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The John Henry Generation: The last of the radiologists, Part 2
By Joshua Ewell, DO
In part 2 of his two-part series, Joshua Ewell, DO, discuss economic pressures, philosophical and spiritual implications, and closing thoughts on the future of AI in radiology.
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Y-90 radioembolization safe in people living with HIV
By Will Morton
Yttrium-90 (Y-90) radioembolization to treat liver cancer appears safe and effective in people living with HIV.
January 10, 2025
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DBT on par with mammography for imaging referred women
By Amerigo Allegretto
Digital breast tomosynthesis (DBT) has a diagnostic accuracy comparable to digital mammography for women referred for breast imaging.
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The John Henry Generation: The last of the radiologists, Part 1
By Joshua Ewell, DO
In a two-part series, radiologist Joshua Ewell, DO, discusses the looming crisis in radiology, advances in AI, and and the future of radiologists.
January 9, 2025
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Animal study shows PET/CT can detect brain damage from TMT poisoning
By Will Morton
A feasibility study in rats suggests that PET/CT can detect brain damage caused by trimethyltin chloride (TMT), a hazardous compound widely used in plastics production.
January 9, 2025
Micro-PET/CT images of rats. (a) At 24 hours in the control group, F-18 FDG uptake in rats brain tissue was normal, and the PET/CT images were red and white; (b) At 7 days in the control group, F-18 FDG uptake in rats brain tissue were normal, and the PET/CT images were red and white; (c) At 24 hours after TMT exposure, F-18 FDG uptake in rats brain tissue were in a low state, and the PET/CT images were orange and yellow. (d) 7 days after TMT exposure, F-18 FDG uptake in rats brain tissue further decreased, and the PET/CT images appeared yellow and light yellow. There was no significant difference in the uptake of muscle tissue between the model group and the control group, and the PET/CT image was blue. Image available for republishing under Creative Commons license (CC BY 4.0 DEED, Attribution 4.0 International) and courtesy of Scientific Reports.
Rad residents need more orthopedic trauma interpretation training
By Kate Madden Yee
Orthopedic trauma cases are challenging for radiology residents to interpret -- which could affect residents' readiness for independent call.
January 9, 2025
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